ON TIMEBOARD

UA 3585 on time

United Airlines 3585: Washington to Indianapolis at 5:23 p.m. (past 12 months)

On time
72%
162 flights · likely 64–78%
Cancelled
3.1%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+112 min
average delay
Similar flights
75%
UA, same route & hour

About 1 in 4 UA 3585 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (28%); 3.1% were cancelled. The typical flight landed 8 minutes early.

UA 3585: IAD → IND

Scheduled to leave Washington at 5:23 p.m. local time, operated by Republic Airways as YX 3585. Over the past year it arrived on time 72% of the time (162 flights), worse than other UA flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: 77% on time (31 flights)77MayJun 2025: 60% on time (30 flights)60JunJul 2025: 48% on time (31 flights)48JulAug 2025: 81% on time (31 flights)81AugSep 2025: 92% on time (24 flights)92SepOct 2025: too few flights (6 flights)OctNov 2025: 72% on time (29 flights)72NovDec 2025: too few flights (1 flights)DecMay 2026: too few flights (11 flights)MayJun 2026: 86% on time (29 flights)86JunJul 2026: 52% on time (31 flights)52JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday2572%
Tuesday2378%
Wednesday2282%
Thursday2259%
Friday2361%
Saturday2370%
Sunday2479%

Why it was late

Airline (crew, maintenance, ops) 32%Air traffic & airport (NAS) 30%Late inbound plane 26%Severe weather 12%

All flights IAD → IND · Connecting off UA 3585? Check the risk

Questions

How often is UA 3585 from IAD to IND late?

United Airlines 3585 from Washington, DC to Indianapolis, IN arrived 15 or more minutes late, was diverted or was cancelled on 28% of 162 scheduled flights between September 2025 and August 2026. 3.1% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.